datas=[

    # 模拟的吕梁第一类房子
    {
        "city": "吕梁",
        "area": 100,
        "rooms": 2,
        "school": 1,
        "style": 1,
        "price": 8000,
    },
    {
        "city": "吕梁",
        "area": 100,
        "rooms": 2,
        "school": 1,
        "style": 1,
        "price": 7800,
    },
    {
        "city": "吕梁",
        "area": 100,
        "rooms": 2,
        "school": 1,
        "style": 1,
        "price": 8200,
    },
    # 模拟的吕梁第二类房子
    {
        "city": "吕梁",
        "area": 130,
        "rooms": 3,
        "school": 1,
        "style": 1,
        "price": 8500,
    },
    {
        "city": "吕梁",
        "area": 135,
        "rooms": 3,
        "school": 1,
        "style": 1,
        "price": 8300,
    },
    {
        "city": "吕梁",
        "area": 140,
        "rooms": 3,
        "school": 1,
        "style": 1,
        "price": 8600,
    },
    # 模拟的吕梁第三类房子
    {
        "city": "吕梁",
        "area": 130,
        "rooms": 3,
        "school": 2,
        "style": 2,
        "price": 6500,
    },
    {
        "city": "吕梁",
        "area": 135,
        "rooms": 3,
        "school": 2,
        "style": 2,
        "price": 6300,
    },
    {
        "city": "吕梁",
        "area": 140,
        "rooms": 3,
        "school": 2,
        "style": 2,
        "price": 5600,
    },
    # 模拟的太原第一类房子
    {
        "city": "太原",
        "area": 100,
        "rooms": 2,
        "school": 1,
        "style": 1,
        "price": 10000,
    },
    {
        "city": "太原",
        "area": 100,
        "rooms": 2,
        "school": 1,
        "style": 1,
        "price": 9800,
    },
    {
        "city": "太原",
        "area": 100,
        "rooms": 2,
        "school": 1,
        "style": 1,
        "price": 9200,
    },
    # 模拟的太原第二类房子
    {
        "city": "太原",
        "area": 130,
        "rooms": 3,
        "school": 1,
        "style": 1,
        "price": 10500,
    },
    {
        "city": "太原",
        "area": 135,
        "rooms": 3,
        "school": 1,
        "style": 1,
        "price": 10300,
    },
    {
        "city": "太原",
        "area": 140,
        "rooms": 3,
        "school": 1,
        "style": 1,
        "price": 10600,
    },
    # 模拟的太原第三类房子
    {
        "city": "太原",
        "area": 130,
        "rooms": 3,
        "school": 2,
        "style": 2,
        "price": 8500,
    },
    {
        "city": "太原",
        "area": 135,
        "rooms": 3,
        "school": 2,
        "style": 2,
        "price": 8300,
    },
    {
        "city": "太原",
        "area": 140,
        "rooms": 3,
        "school": 2,
        "style": 2,
        "price": 8600,
    },
]